A Focus on Fractions is the first book to make cognitive research on how students develop their understanding of fraction concepts readily accessible and understandable to pre- and in-service K– 8 mathematics educators.

Editors: Barrenechea, G.R., Brezzi, F., Cangiani, A., Georgoulis, E.H. (Eds.)The authors are the leading experts in the field. It is hard to find such a selected list of authors writing about the developments they are carrying out at presentThe main developments in recent approaches to numerical PDEs are gathered in this bookThe survey nature of each contribution makes the volume an ideal reading for practitioners, academics, as well as graduate students wishing to grasp the fundamental aspect of modern numerical PDE approaches